Focal lengths & crop multipliers

Started Jun 14, 2012 | Discussions thread
AnandaSim
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Re: Focal lengths & crop multipliers
In reply to Drawn90, Jun 16, 2012

Drawn90 wrote:

IF the lens in question is designed specifically for use with that particular camera (like the Nikon 1 system lenses)? After all, these lenses weren't plucked from the "DX" basket or the "FF" basket; they were designed specifically for use with the Nikon 1's body and CX sensor.

http://www.dpreview.com/reviews/nikonv1j1/2

The kit lens for the J1 is 10-30mm. Real optical focal length

I understand the methodology when using a "FF" lens on a "DX" body, but I don't see the relavence when the lens is designed specifically for a given body (family of camera bodies) & sensor.

So, what's the question again?

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